After creating perfect resume, you then need to distribute it. You'll likely be sending some professionally printed hard copies, especially to "A list" companies or organizations you've set your sights on. But just as likely, you'll be distributing other copies electronically.
Presuming you've written a great resume to begin with, here's what you really need to know about your electronic version:
1. It must be searchable.
2. It must be in ASCII format.
Someone searching Internet resume banks for perfect candidate (you) needs to be able to weed out all unqualified candidates, which potentially number in tens of thousands nowadays. Typically, they'll enter search terms intended to eliminate vast majority of posted resumes and select most promising. They do this much as one might perform an Internet search on Google or another search engine, by entering key word search terms
Their search might be limited to a certain geographical area, a certain skill set or qualification, or a certain job description, among obvious search categories.
The geographical part is easy - your contact information will help someone looking for a software designer in San Francisco Bay area or a pretzel maker in Milwaukee find you if you are qualified and live in right part of world.
However, if you have technical qualifications that can be searched in different ways - "Bachelor of Science" and "B.Sc." for example, your resume should use both variants so that a search engine finds you either way.
And if you possess job experience that's highly relevant to job in question, be sure to describe it in most common ways that it would likely be searched on.
Tip: Read through your completed resume and see if you can't describe qualifications, degrees, or job titles in multiple alternative ways throughout resume. This will increase chances you'll be found in an online search.